Science

Thursday, 18 June 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Amber
Paleontologists used organisms trapped within amber to identify over 1,000 extinct species.
Brain
Docosahexaenoic acid (DHA) plays a key role in the proper functioning of the brain.
It is an organic chemical compound from the group of omega-3 fatty acids, therefore the consumption of polyunsaturated fatty acids is extremely important.
Mushrooms
Mycelium may become visible to the naked eye, for example, on various surfaces and substrates such as damp walls or spoiled food.
Myceliums grown on solid substrates are referred to as colonies. Some individual colonies can reach ...
Nicotine
Until the end of the 20th century, it was believed that nicotine did not lead to the development of cancer.
But already in the first decade of the 21st century, this view was questioned and a debate began among scientists about its carcinogenic properties.
Earth
In terms of size, the Earth ranks fifth among the planets in the solar system.
The equatorial radius of the Earth is 6.378,137 km.
Earth
There are over 7.8 billion people in the world.
It took humanity over 2 million years to reach a population of one billion. In 2011, there were 7 bi ...
Mushrooms
They can be very expensive.
The most valuable mushrooms are the white truffles. For a 1.5 kg specimen was paid 330,000$.
Enceladus
During Cassini's flyby on July 14, 2005, the spacecraft found an icy volcano on the moon's south pole.
Milky Way
According to recent research, there may be as many as 400 billion stars in the Milky Way.
The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.
Liver
The liver is one of the most essential organs in endocrine balance.
It breaks down hormones, especially estrogen and androgen. Functionality disorder may lead to acne problems or scalp hair loss in men, and menstrual cramps, fluid retention, or lumpy breast in women.